Science

Tuesday, 19 May 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Graphene
Although graphene consists of an element that is abundant on Earth, its production costs are high.
This is a major obstacle to graphene finding mass application in many fields. For now, only small amounts are produced.
Read all facts
Deimos
The Swift Crater is 1 km in diameter while the Voltaire Crater is 1.9 km in diameter.
They are located close to each other in the northern hemisphere, right near the prime meridian.
Read all facts
Deimos
The two largest craters of Deimos are approximately 3 kilometers in diameter: Swift and Voltaire.
They were named after two writers who claimed that Mars had two moons before this was proven.
Read all facts
Deimos
Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.
Read all facts
Earth
Although it's hard to believe, the Earth's crust consists of 47 percent oxygen.
It is trapped in the soil in the form of various oxides, the most common of which are: silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, and iron oxide.
Read all facts
lava
Magma is found not only under the Earth's surface.
It has also been found on other rocky planets (Mercury, Venus, Mars) and some natural satellites (moons).
Read all facts
Aurora
In the language of the Sámi people (the native inhabitants of Lapland), the name of the aurora "guovssahasah" means "the sun shining in the sky in the morning or evening".
The Sámi people claimed that creating a song about the aurora borealis is dangerous and threatens to draw polar light on themselves, which bode inevitable death.
Read all facts
Enceladus
Underneath the icy crust is an ocean of liquid water 75 kilometers deep.
Read all facts
Moon
The Moon's magnetic field is over 100 times weaker than the Earth's and ranges from 1 to 100 nanotesla.
It is not dipolar, so it is assumed that its source is not the nucleus but the crust.
Read all facts
Anorexia Nervosa
According to the International Classification of Diseases ICD-10, there are several diagnostic criteria for anorexia.
Weight loss, leading to body weight at least 15 percent below normal for a given age and height Avo ...
Find out more
17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
Previous